<div class="form-group">
    <select name="herolist" value="{{selected}}" class="select-block" ng-model="selected" my-dropdown>
        <!--<option value="" ng-selected="!selected">2</option>-->
        <option ng-repeat="personNum in availableChooses" value="{{personNum}}"
                ng-selected="selected == personNum">{{personNum}}
        </option>
    </select>
</div>